/**
 *    Copyright 2010 Merrick Zhang ( anphorea@gmail.com )
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 *
 */
package anpho.proxyvalidator.provider;

import java.lang.reflect.Method;
import java.net.Proxy;
import java.util.HashSet;
import java.util.Set;

import anpho.proxyvalidator.config.AppContext;

/**
 * @author Merrick
 */
public class ProviderMgr {

	@SuppressWarnings("unchecked")
	public static Set<Proxy> getProxies() {
		String providers[] = AppContext.getStr("Providers").split(";");
		Set<Proxy> proxies = new HashSet<Proxy>();

		for (String p : providers) {
			try {
				Class<?> ap = Class.forName(p);
				Method m = ap.getDeclaredMethod("getProxies", new Class[0]);
				proxies.addAll((Set<? extends Proxy>) m.invoke(ap.newInstance(), new Object[0]));
			} catch (Exception e) {
				System.err.println(e.getMessage());
			}
		}
		return proxies;
	}
}
